1
Q
result for gram negative
A
pink
2
Q
result for gram positive
A
purple
3
Q
technique name
A
gram staining
3
Q
why is gram negative pink
A
it has a thinner cell wall/ peptidoglycan so it can wash off the crystal violet
4
Q
process of gram staining
A
crystal violet, iodine treatment, decolourization, safranin (counter stain)
bio - unit 1 (applied science)
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